Merge git://git.infradead.org/mtd-2.6

[firefly-linux-kernel-4.4.55.git] / include / linux / nfs_page.h

diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index da2e077b65e2e3b69c16b88fc8eb3e772ee43145..2e555d49c9b732fa4379b8b1c17a98cb430ce857 100644 (file)
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -13,7 +13,6 @@
 #include <linux/list.h>
 #include <linux/pagemap.h>
 #include <linux/wait.h>
-#include <linux/nfs_fs_sb.h>
 #include <linux/sunrpc/auth.h>
 #include <linux/nfs_xdr.h>
 
@@ -31,6 +30,8 @@
 #define PG_BUSY                        0
 #define PG_NEED_COMMIT         1
 #define PG_NEED_RESCHED                2
+#define PG_NEED_FLUSH          3
+#define PG_FLUSHING            4
 
 struct nfs_inode;
 struct nfs_page {
@@ -61,10 +62,11 @@ extern      void nfs_clear_request(struct nfs_page *req);
 extern void nfs_release_request(struct nfs_page *req);
 
 
-extern  int nfs_scan_lock_dirty(struct nfs_inode *nfsi, struct list_head *dst,
-                               unsigned long idx_start, unsigned int npages);
-extern int nfs_scan_list(struct list_head *, struct list_head *,
-                         unsigned long, unsigned int);
+extern long nfs_scan_dirty(struct address_space *mapping,
+                               struct writeback_control *wbc,
+                               struct list_head *dst);
+extern int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *head, struct list_head *dst,
+                         unsigned long idx_start, unsigned int npages);
 extern int nfs_coalesce_requests(struct list_head *, struct list_head *,
                                  unsigned int);
 extern  int nfs_wait_on_request(struct nfs_page *);
@@ -79,9 +81,7 @@ extern  void nfs_clear_page_writeback(struct nfs_page *req);
 static inline int
 nfs_lock_request_dontget(struct nfs_page *req)
 {
-       if (test_and_set_bit(PG_BUSY, &req->wb_flags))
-               return 0;
-       return 1;
+       return !test_and_set_bit(PG_BUSY, &req->wb_flags);
 }
 
 /*
@@ -125,9 +125,7 @@ nfs_list_remove_request(struct nfs_page *req)
 static inline int
 nfs_defer_commit(struct nfs_page *req)
 {
-       if (test_and_set_bit(PG_NEED_COMMIT, &req->wb_flags))
-               return 0;
-       return 1;
+       return !test_and_set_bit(PG_NEED_COMMIT, &req->wb_flags);
 }
 
 static inline void
@@ -141,9 +139,7 @@ nfs_clear_commit(struct nfs_page *req)
 static inline int
 nfs_defer_reschedule(struct nfs_page *req)
 {
-       if (test_and_set_bit(PG_NEED_RESCHED, &req->wb_flags))
-               return 0;
-       return 1;
+       return !test_and_set_bit(PG_NEED_RESCHED, &req->wb_flags);
 }
 
 static inline void